CVE-2026-53408: CWE-939 Improper authorization in handler for custom URL scheme in Zoom Communications Zoom Workplace
Improper Authorization in Handler for Custom URL Scheme in Zoom Workplace before version 7.0.4 for Android and before 7.0.3 for iOS may allow an unauthenticated user to conduct an escalation of privilege via network access.
AI Analysis
Technical Summary
This vulnerability (CWE-939) in Zoom Workplace arises from improper authorization checks in the handler for a custom URL scheme. It affects Zoom Workplace versions prior to 7.0.4 on Android and prior to 7.0.3 on iOS. Exploitation could allow an unauthenticated attacker to escalate privileges through network access. The CVSS 3.1 base score is 8.1, indicating high severity with network attack vector, low attack complexity, and no user interaction required. Confidentiality and integrity impacts are high, with no availability impact. No official patch or remediation level has been confirmed in the vendor advisory or patch links.
Potential Impact
Successful exploitation could lead to escalation of privilege by an unauthenticated attacker remotely, potentially compromising confidentiality and integrity of the affected system or data. There is no indication of availability impact. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when handling custom URL schemes and restrict network exposure where possible. Monitor for vendor updates to apply official patches once available.
CVE-2026-53408: CWE-939 Improper authorization in handler for custom URL scheme in Zoom Communications Zoom Workplace
Description
Improper Authorization in Handler for Custom URL Scheme in Zoom Workplace before version 7.0.4 for Android and before 7.0.3 for iOS may allow an unauthenticated user to conduct an escalation of privilege via network access.
CVSS v3.1
Score 8.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-939) in Zoom Workplace arises from improper authorization checks in the handler for a custom URL scheme. It affects Zoom Workplace versions prior to 7.0.4 on Android and prior to 7.0.3 on iOS. Exploitation could allow an unauthenticated attacker to escalate privileges through network access. The CVSS 3.1 base score is 8.1, indicating high severity with network attack vector, low attack complexity, and no user interaction required. Confidentiality and integrity impacts are high, with no availability impact. No official patch or remediation level has been confirmed in the vendor advisory or patch links.
Potential Impact
Successful exploitation could lead to escalation of privilege by an unauthenticated attacker remotely, potentially compromising confidentiality and integrity of the affected system or data. There is no indication of availability impact. No known exploits in the wild have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should exercise caution when handling custom URL schemes and restrict network exposure where possible. Monitor for vendor updates to apply official patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Zoom
- Date Reserved
- 2026-06-09T10:12:34.854Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a2c5615e617e2d834b0f479
Added to database: 06/12/2026, 18:55:17 UTC
Last enriched: 06/19/2026, 22:12:09 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 196
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